Hierarchy/Derived subclasses
242 / 370 | -> 223 | -> 224 | -> 225 | -> 226 |
uspto searches
Patent Apps in 242/225Granted Patents in 242/225
Use the links above or do an advanced search in ppubs for:
(242/225.ccls. or 242/226.ccls.)
This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.